package com.example.administrator.appli;

import android.app.Activity;
import android.app.ActivityManager;
import android.os.Bundle;

/**
 * Created by Administrator on 2017/5/18.
 */
public class AlertActivity extends Activity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        ActivityManager  m;
    }
}
